| # RUN: ld64.lld -arch x86_64 -dylib %p/Inputs/bar.yaml \ |
| # RUN: -install_name /usr/lib/libbar.dylib %p/Inputs/x86_64/libSystem.yaml -o %t1.dylib |
| # RUN: ld64.lld -arch x86_64 -dylib %s -upward_library %t1.dylib \ |
| # RUN: -install_name /usr/lib/libfoo.dylib %p/Inputs/x86_64/libSystem.yaml -o %t |
| # RUN: llvm-objdump -private-headers %t | FileCheck %s |
| # |
| # |
| # Test upward linking: 1) build libbar.dylib, 2) build libfoo.dylib and upward |
| # like with libbar.dylib, 3) dump load commands of libfoo and verify upward link. |
| # |
| |
| --- !mach-o |
| arch: x86_64 |
| file-type: MH_OBJECT |
| flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ] |
| sections: |
| - segment: __TEXT |
| section: __text |
| type: S_REGULAR |
| attributes: [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS ] |
| address: 0x0000000000000000 |
| content: [ 0x55, 0x48, 0x89, 0xE5, 0x31, 0xC0, 0x5D, 0xE9, |
| 0x00, 0x00, 0x00, 0x00 ] |
| relocations: |
| - offset: 0x00000008 |
| type: X86_64_RELOC_BRANCH |
| length: 2 |
| pc-rel: true |
| extern: true |
| symbol: 1 |
| global-symbols: |
| - name: _foo |
| type: N_SECT |
| scope: [ N_EXT ] |
| sect: 1 |
| value: 0x0000000000000000 |
| undefined-symbols: |
| - name: _bar |
| type: N_UNDF |
| scope: [ N_EXT ] |
| value: 0x0000000000000000 |
| |
| ... |
| |
| |
| # CHECK: cmd LC_LOAD_UPWARD_DYLIB |
| # CHECK-NEXT: cmdsize 48 |
| # CHECK-NEXT: name /usr/lib/libbar.dylib (offset 24) |